Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8542844 | Sound modification system and method | Upton Beall Bowden, David Alan Knechtges, Stephen James Adams | 2013-09-24 |
| 7898531 | System and method of operating an output device in a vehicle | Upton Beall Bowden, Theodore Charles Wingrove, Michael A. Haen | 2011-03-01 |
| 6992562 | Biometric keyless entry system | Stephen Fuks | 2006-01-31 |
| 6929282 | Vehicle impact sensing system | Paul Zoratti, Jeffery A. Bochenek | 2005-08-16 |
| 6891467 | Multistage vehicle security system | Karl V. Perttunen, Mark Caron | 2005-05-10 |